EP0862941B1 - Abgasreinigungsvorrichtung für eine Brennkraftmaschine - Google Patents
Abgasreinigungsvorrichtung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP0862941B1 EP0862941B1 EP98103727A EP98103727A EP0862941B1 EP 0862941 B1 EP0862941 B1 EP 0862941B1 EP 98103727 A EP98103727 A EP 98103727A EP 98103727 A EP98103727 A EP 98103727A EP 0862941 B1 EP0862941 B1 EP 0862941B1
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- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- absorbent
- temperature
- dpf
- absorbed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Revoked
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9495—Controlling the catalytic process
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/027—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
- F01N3/0878—Bypassing absorbents or adsorbents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
- F02D41/028—Desulfurisation of NOx traps or adsorbent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/04—Sulfur or sulfur oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0818—SOx storage amount, e.g. for SOx trap or NOx trap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
- Processes For Solid Components From Exhaust (AREA)
Claims (6)
- Abgasreinigungsvorrichtung für eine Kraftmaschine mit:einem NOx-Absorptionsmittel, das in einer Abgasleitung einer Brennkraftmaschine angeordnet ist, wobei das NOx-Absorptionsmittel NOx in dem Abgas der Kraftmaschine absorbiert, wenn das Luft-Kraftstoff-Verhältnis des Abgases ein mageres Luft-Kraftstoff-Verhältnis ist, und das absorbierte NOx freigibt, wenn die Sauerstoffkonzentration in dem Abgas verringert ist, und wobei das NOx-Absorptionsmittel SOx in dem Abgas absorbiert, wenn das Luft-Kraftstoff-Verhältnis des Abgases ein mageres Luft-Kraftstoff-Verhältnis ist, und das absorbierte SOx freigibt, wenn die Sauerstoffkonzentration in dem Abgas verringert ist und wenn die Temperatur des NOx-Absorptionsmittels höher als eine SOx-Freigabetemperatur ist;SOx-Freigabeeinrichtungen zum Erhöhen der Temperatur des NOx-Absorptionsmittels auf eine Temperatur, die höher als die SOx-Freigabetemperatur ist, und zum Verringern der Sauerstoffkonzentration des in das NOx-Absorptionsmittel hineinströmenden Abgases, um dadurch das absorbierte SOx von dem NOx-Absorptionsmittel freizugeben; undSOx-Steuereinrichtungen zum Steuern der Menge des in dem NOx-Absorptionsmittel absorbierten SOx durch Steuern der SOx-Freigabeeinrichtung derart, dass, wenn die SOx-Steuereinrichtung erwartet, dass die Temperatur des NOx-Absorptionsmittels auf eine erste vorbestimmte Temperatur ansteigt, wenn das Luft-Kraftstoff-Verhältnis des Abgases mager ist, im wesentlichen das gesamte absorbierte SOx von dem NOx-Absorptionsmittel durch die SOx-Freigabeeinrichtung freigegeben wird, bevor die Temperatur des NOx-Absorptionsmittels die erste vorbestimmte Temperatur erreicht.
- Abgasreinigungsvorrichtung gemäß Anspruch 1, wobei das NOx-Absorptionsmittel das absorbierte SOx in sich in der Form eines Sulfatpartikels hält und wobei die erste vorbestimmte Temperatur eine Temperatur ist, bei welcher die Sulfatpartikel in dem NOx-Absorptionsmittel bei einem Abgas mit magerem Luft-Kraftstoff-Verhältnis anfangen zu wachsen.
- Abgasreinigungsvorrichtung gemäß Anspruch 1, wobei die SOx-Steuereinrichtung außerdem eine Abgastemperaturermittlungseinrichtung zum Ermitteln der Temperatur des in das NOx-Absorptionsmittel hineinströmenden Abgases aufweist und die SOx-Freigabeeinrichtung aktiviert, wenn die Temperatur des Abgases auf eine zweite vorbestimmte Temperatur ansteigt, welche geringer als die erste vorbestimmte Temperatur ist.
- Abgasreinigungsvorrichtung gemäß Anspruch 1, die außerdem aufweist:Reinigungseinrichtungen, die in der Abgasleitung stromaufwärts des NOx-Absorptionsmittels zum Entfernen einer bestimmten, in dem Abgas enthaltenen Komponente angeordnet sind; undVerbrennungseinrichtungen zum Verbrennen der bestimmten, durch die Reinigungseinrichtung abgefangenen oder daran anhaftenden Komponenten durch Anheben der Temperatur der Reinigungseinrichtung und durch Zuführen eines Abgases mit einem mageren Luft-Kraftstoff-Verhältnis zu der Reinigungseinrichtung,
- Abgasreinigungsvorrichtung gemäß Anspruch 4, wobei die bestimmte Komponente eine lösliche, organische Fraktion ist und die Reinigungseinrichtung ein Oxidationskatalysator oder Drei-Wege-Katalysator ist, der die lösliche, organische Fraktion in dem Abgas oxidiert.
- Abgasreinigungsvorrichtung gemäß Anspruch 4, wobei die bestimmte Komponente ein Schwebstoff in dem Abgas ist und die Reinigungseinrichtung ein Partikelfilter ist, der die Schwebstoffe in dem Abgas abfängt.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48932/97 | 1997-03-04 | ||
JP4893297 | 1997-03-04 | ||
JP4893297 | 1997-03-04 | ||
JP3506898 | 1998-02-17 | ||
JP35068/98 | 1998-02-17 | ||
JP03506898A JP3645704B2 (ja) | 1997-03-04 | 1998-02-17 | 内燃機関の排気浄化装置 |
Publications (3)
Publication Number | Publication Date |
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EP0862941A2 EP0862941A2 (de) | 1998-09-09 |
EP0862941A3 EP0862941A3 (de) | 1998-12-16 |
EP0862941B1 true EP0862941B1 (de) | 2002-08-28 |
Family
ID=26373979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98103727A Revoked EP0862941B1 (de) | 1997-03-04 | 1998-03-03 | Abgasreinigungsvorrichtung für eine Brennkraftmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US5974791A (de) |
EP (1) | EP0862941B1 (de) |
JP (1) | JP3645704B2 (de) |
DE (1) | DE69807370D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10326529B4 (de) | 2002-06-13 | 2019-01-03 | Denso Corporation | Abgas-Filtersystem mit einem Partikelfilter für eine Brennkraftmaschine mit innerer Verbrennung |
Families Citing this family (253)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19747670C1 (de) * | 1997-10-29 | 1998-12-10 | Daimler Benz Ag | Abgasreinigungsanlage für eine Brennkraftmaschine |
US6237330B1 (en) * | 1998-04-15 | 2001-05-29 | Nissan Motor Co., Ltd. | Exhaust purification device for internal combustion engine |
DE59910881D1 (de) * | 1998-06-20 | 2004-11-25 | Daimler Chrysler Ag | Regelstrategie für einen NOx-Speicher |
JP3228232B2 (ja) * | 1998-07-28 | 2001-11-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE19842625C2 (de) * | 1998-09-17 | 2003-03-27 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Verbrennungsmotoranlage mit schwefelanreichernder Abgasreinigungskomponente und damit betreibbare Verbrennungsmotoranlage |
DE19843859A1 (de) * | 1998-09-25 | 2000-03-30 | Bosch Gmbh Robert | Katalysatorregenerationsverfahren |
DE69916312T2 (de) * | 1998-10-12 | 2005-03-17 | Johnson Matthey Public Ltd., Co. | Verfahren und vorrichtung zur behandlung von verbrennungsabgasen |
DE19847875A1 (de) * | 1998-10-16 | 2000-04-20 | Volkswagen Ag | Verfahren und Vorrichtung zur De-Sulfatierung eines NOx-Speicherkatalysators |
US6560958B1 (en) | 1998-10-29 | 2003-05-13 | Massachusetts Institute Of Technology | Emission abatement system |
EP1612382A3 (de) * | 1998-11-06 | 2006-04-05 | Ceryx Asset Recovery, LLC | Integrierte Vorrichtung zur Entfernung von Verunreinigungen aus einem Fluidstrom in einem Magerklima mit Wärmerückgewinnung |
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1998
- 1998-02-17 JP JP03506898A patent/JP3645704B2/ja not_active Expired - Lifetime
- 1998-02-24 US US09/028,916 patent/US5974791A/en not_active Expired - Lifetime
- 1998-03-03 EP EP98103727A patent/EP0862941B1/de not_active Revoked
- 1998-03-03 DE DE69807370T patent/DE69807370D1/de not_active Revoked
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DE10326529B4 (de) | 2002-06-13 | 2019-01-03 | Denso Corporation | Abgas-Filtersystem mit einem Partikelfilter für eine Brennkraftmaschine mit innerer Verbrennung |
Also Published As
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DE69807370D1 (de) | 2002-10-02 |
EP0862941A2 (de) | 1998-09-09 |
US5974791A (en) | 1999-11-02 |
JP3645704B2 (ja) | 2005-05-11 |
EP0862941A3 (de) | 1998-12-16 |
JPH10306717A (ja) | 1998-11-17 |
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